VocalDocscontracts 1.65.0

Update an MCP server registration

PATCH /v1/mcp-servers/{mcp_server_id}

PropertyValue
Operationupdate_mcp_server
GroupMCP servers
Scopemcp:write
Route classcontrol
IdempotencyNo Idempotency-Key
AuditAudited mcp.server.update (mutation)
Released in1.60.0
Phase 0 hostServed (the hosted api pins 1.65.0)

Changes the registration at the revision If-Match names (1.60.0). Each newly allowed tool is pinned from the latest listing; a tool the listing lacks is mcp_tool_not_listed, an unsupported one mcp_tool_unsupported (McpServerIssueCode). Allowing a tool writes an Audit event naming it.

Request

Set VOCAL_API to the base URL of your API and VOCAL_API_KEY to an API key with the mcp:write scope (Authentication and keys). Replace each placeholder, such as agt_... or <name>, with your own value.

curl -X PATCH "$VOCAL_API/v1/mcp-servers/mcps_..." \
  -H "Authorization: Bearer $VOCAL_API_KEY" \
  -H 'If-Match: "1"' \
  -H "Content-Type: application/json" \
  -d '{}'

Parameters

NameInTypeRequiredDescription
mcp_server_idpathMcpServerIdyesThe id of an MCP server registration: mcps_ and the row's UUIDv7 in 26 Crockford base32 characters. Opaque and safe to log.
if-matchheaderstringyesThe revision the change was made against, quoted as the ETag returns it, or * to overwrite.

Request body

Content type application/json, required: McpServerUpdateRequest.

FieldTypeRequiredDescription
allowed_toolsarray of UpstreamToolNamenoReplaces the allowed tools; each newly allowed tool is pinned from the latest listing.
default_timeout_msintegerno
enabledbooleannoFalse disables the registration; true enables it again.
nameMcpServerNameno

Responses

StatusContent typeShapeError codes
200application/jsonMcpServer
400application/jsonErrorEnvelopeinvalid_request
401application/jsonErrorEnvelopeunauthenticated
403application/jsonErrorEnvelopeforbidden, org_suspended
404application/jsonErrorEnvelopenot_found
412application/jsonErrorEnveloperevision_mismatch
422application/jsonErrorEnvelopevalidation_failed
428application/jsonErrorEnvelopeprecondition_required
429application/jsonErrorEnveloperate_limited
500application/jsonErrorEnvelopeinternal_error

Fields of the 200 answer

The shape is McpServer.

FieldTypeRequiredDescription
allowed_toolsarray of UpstreamToolNameyesThe tools a Member with mcp:write approved; a tool not listed is never offered to any Agent.
authMcpServerAuthyes
authorization_serverstring or nullyesThe issuer the client discovered for oauth (RFC 9728, RFC 8414); null before discovery or for other auth.
connection_idConnectionIdyesThe Connection the registration created for its credential.
created_atTimestampyes
default_timeout_msintegeryes
drift_countintegernoHow many pinned tools the latest listing found changed or removed (1.61.0): above 0 exactly while status is drift_pending; absent from an api before 1.61.0.
endpointMcpEndpointyes
idMcpServerIdyes
last_listed_atTimestamp or nullyes
nameMcpServerNameyes
object"mcp_server"yes
organization_idOrganizationIdyes
pinsarray of McpToolPinyes
protocol_versionstring or nullyesThe negotiated MCP revision; null before the first listing.
revisionintegeryes
statusMcpServerStatusyes
updated_atTimestampyes